*{
    padding: 0;
    margin:auto;
}
body{
    

}
#box{
    background-color: #e9920fb7;
    /* padding-top:200px; */
    /* position:relative; */
}
table{
    position:relative;
}
.bai{
    width: 50px;
    height: 50px;
    border-radius:50%;
    position:absolute;
    background-color: white;
    transition:all 1s ;
}
.black{
    width: 50px;
    height: 50px;
    border-radius:50%;
    position:absolute;
    background-color: rgb(0, 0, 0);
    transition:all 1s ;
}
#box1{
    /* position:relative; */
}
#box1>btn{
    width: 97px;
    height: 36px;
    display:block;
    /* position:absolute;
    left:451px;
    top:11px; */
}